(225 ILCS 710/45.25)
(from Ch. 96 1/2, par. 4278)
Stationary lights shall be provided during the working hours of all shaft stations during the time the same are in actual use, and also at
all stations on the levels where hoisting or hauling is effected by means
of machinery and also at night at all places on the surface where work is
being conducted, and at the head of any shafts not fenced or covered.
(Source: Laws 1945, p. 1035.)